Undergarment shield



FIG. 1 is a perspective view of an undergarment shield showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 4 is a bottom plan view; and

FIG. 5 is an end elevational view. 

The ornamental design for an undergarment shield, substantially as shown and described. 